TEA6420 STMicroelectronics, TEA6420 Datasheet

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TEA6420

Manufacturer Part Number
TEA6420
Description
Manufacturer
STMicroelectronics
Datasheet

Specifications of TEA6420

Lead Free Status / Rohs Status
Compliant

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DESCRIPTION
The TEA6420 switches 5 stereo audio inputs on
4stereo outputs.
All the switching possibilities are changed through
the I
Figure 1. PIN CONNECTIONS
February 2006
5 Stereo Inputs
4 Stereo Ouputs
Gain Control 0/2/4/6dB/Mute for each Output
cascadable (2 different addresses)
Serial Bus Controlled
Very low Noise
Very low Distorsion
2
CAPACITANCE
C bus.
ROUT1
ROUT2
LOUT1
LOUT2
GND
V
L1
L2
L3
L4
L5
S
1
2
3
4
5
6
7
8
9
10
11
12
BUS-CONTROLLED AUDIO MATRIX SWITCH
24
23
22
21
20
19
18
17
16
15
14
13
SDA
SCL
ADDR
R1
R2
R3
R4
R5
ROUT4
LOUT4
ROUT3
LOUT3
CAPACITANCE
ROUT1
ROUT2
ORDER CODE: TEA6420
LOUT1
LOUT2
ORDER CODE: TEA6420D
GND
(Plastic Micropackage)
NC
NC
V
L1
L2
L3
L4
L5
S
(Plastic Package)
SHRINK DIP 24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
SO28
TEA6420
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SDA
SCL
ADDR
R1
R2
R3
NC
NC
R4
R5
ROUT4
LOUT4
ROUT3
LOUT3
1
1/7

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TEA6420 Summary of contents

Page 1

... Stereo Ouputs Gain Control 0/2/4/6dB/Mute for each Output cascadable (2 different addresses) Serial Bus Controlled Very low Noise Very low Distorsion DESCRIPTION The TEA6420 switches 5 stereo audio inputs on 4stereo outputs. All the switching possibilities are changed through 2 the I C bus. Figure 1. PIN CONNECTIONS ...

Page 2

... TEA6420 Figure 2. BLOCK DIAGRAM 2/7 1 ...

Page 3

... G Test Conditions V = 500mV , 20kHz IN RMS Gain = 0dB IN RMS f = 1kHz Gain = 6dB 20kHz, flat OUT RMS OUT RMS 3mA ; SDA Acknowledge pin O Note TEA6420 Value Unit + -20 to +150 C Value Unit 75 o C/W 75 Min. Typ. Max. Unit ...

Page 4

... TEA6420 SOFTWARE SPECIFICATION 1. Chip address Address 1001 1000 1001 1010 2. Data bytes Output select Input select Gain select don’t care - MSB is transmitted first Example : X1001100 connects output 3 with input gain of 4dB The following are selected after power-on reset : input 5 selected for all outputs ; gain = 0dB. ...

Page 5

... TYPICAL APPLICATION Figure +9V 100nF Left 3 Inputs CH1 C Output CH2 C Output TEA6420 SDA 24 Bus Inputs SCL Right 8 19 Inputs CH4 C Output CH3 C Output 5/7 1 ...

Page 6

... TEA6420 PACKAGE MECHANICAL DATA 24 PINS - PLASTIC DIP Figure 4. 24-Pin Package PINS - PLASTIC SO Figure 5. 28-Pin Package 6 Stand-off .015 0,38 Gage Plan SDIP24 ...

Page 7

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America. 2006 STMicroelectronics - All Rights Reserved Standard Specification as defined by Philips. STMicroelectronics Group of Companies http://www.st.com TEA6420 2 C Patent. Rights to use these components in an 7/7 ...

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